docs: def bet_cancel(self, bet_to_cancel, account=None, **kwargs):
          """ Cancel a bet
  
              :param str bet_to_cancel: The identifier that identifies the bet to
                  cancel
              :param str account: (optional) the account that owns the bet
                  (defaults to ``default_account``)
          """
          if not account:
              if "default_account" in self.config:
                  account = self.config["default_account"]
          if not account:
              raise ValueError("You need to provide an account")
          account = Account(account)
          bet = Bet(bet_to_cancel)
          op = operations.Bet_cancel(
              **{
                  "fee": {"amount": 0, "asset_id": "1.3.0"},
                  "bettor_id": account["id"],
                  "bet_to_cancel": bet["id"],
                  "prefix": self.prefix,
              }
          )
          return self.finalizeOp(op, account["name"], "active", **kwargs)